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发明名称
SHIELD EXCAVATOR
摘要
申请公布号
JPH0455593(A)
申请公布日期
1992.02.24
申请号
JP19900164168
申请日期
1990.06.25
申请人
KOMATSU LTD
发明人
IMAMURA TAKESHI;MITANI NORIO
分类号
E21D9/06
主分类号
E21D9/06
代理机构
代理人
主权项
地址
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